<?php

/**
 * Copyright 2019 Huawei Technologies Co.,Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License.  You may obtain a copy of the
 * License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 */

namespace Obs\Internal\Resource;

class Constants
{
    const ALLOWED_RESOURCE_PARAMTER_NAMES = [
        'acl',
        'policy',
        'torrent',
        'logging',
        'location',
        'storageinfo',
        'quota',
        'storagepolicy',
        'requestpayment',
        'versions',
        'versioning',
        'versionid',
        'uploads',
        'uploadid',
        'partnumber',
        'website',
        'notification',
        'lifecycle',
        'deletebucket',
        'delete',
        'cors',
        'restore',
        'tagging',
        'response-content-type',
        'response-content-language',
        'response-expires',
        'response-cache-control',
        'response-content-disposition',
        'response-content-encoding',
        'x-image-process',

        'backtosource',
        'storageclass',
        'replication',
        'append',
        'position',
        'x-oss-process',

        'CDNNotifyConfiguration',
        'attname',
        'customdomain',
        'directcoldaccess',
        'encryption',
        'inventory',
        'length',
        'metadata',
        'modify',
        'name',
        'rename',
        'truncate',
        'x-image-save-bucket',
        'x-image-save-object',
        'x-obs-security-token',
        'x-obs-callback',
    ];
    const ALLOWED_REQUEST_HTTP_HEADER_METADATA_NAMES = [
        'content-type',
        'content-md5',
        'content-length',
        'content-language',
        'expires',
        'origin',
        'cache-control',
        'content-disposition',
        'content-encoding',
        'access-control-request-method',
        'access-control-request-headers',
        'x-default-storage-class',
        'location',
        'date',
        'etag',
        'range',
        'host',
        'if-modified-since',
        'if-unmodified-since',
        'if-match',
        'if-none-match',
        'last-modified',
        'content-range',

        'success-action-redirect',
    ];
    const ALLOWED_RESPONSE_HTTP_HEADER_METADATA_NAMES = [
        'content-type',
        'content-md5',
        'content-length',
        'content-language',
        'expires',
        'origin',
        'cache-control',
        'content-disposition',
        'content-encoding',
        'x-default-storage-class',
        'location',
        'date',
        'etag',
        'host',
        'last-modified',
        'content-range',
        'x-reserved',
        'access-control-allow-origin',
        'access-control-allow-headers',
        'access-control-max-age',
        'access-control-allow-methods',
        'access-control-expose-headers',
        'connection',
    ];

    public static function selectConstants($signature)
    {
        $signature = (strcasecmp($signature, 'obs') === 0) ? 'OBS' : 'V2';
        return __NAMESPACE__ . '\\' . $signature . 'Constants';
    }

    public static function selectRequestResource($signature)
    {
        $signature = (strcasecmp($signature, 'obs') === 0) ? 'OBS' : 'V2';
        return (__NAMESPACE__ . '\\' . $signature . 'RequestResource');
    }
}